SCADA-Based Reliability Evaluation

Kelmarsh Wind Farm - 12.3 MW

Author

Jorge A. Thomas

Published

April 1, 2025

Kelmarsh Wind Farm

Project Overview

“Kelmarsh comprises six 2.05MW Senvion MM92 turbines. The Project was acquired from EON in December 2014 and was constructed in joint venture with Santander using balance sheet finance. Construction was completed in April 2016. It is now owned by Cubico Investments.”

(a) Kelmarsh Wind Farm

(b) Senvion MM92 turbine
Figure 1: Kelmarsh Wind Farm is located near Haselbach, Northamptonshire, UK.

Wind Turbines Time / State Diagram

Reliability Parameters

Six Wind Turbines - Model Senvion MM92
Reliability Evaluation (2016 - 2022)
Forced Outages Failure Rate [h−1] MTTF [h] Out-of-service Probabilities (P0, P1)
MTTR [h] Total Time [h] Unavailability (FOR) Availability
2016
T01 32 0.00379 248.49 15.66 501.01 0.05927 0.94073
T02 53 0.00627 156.47 2.89 153.18 0.01814 0.98186
T03 30 0.00355 265.50 5.96 178.92 0.02197 0.97803
T04 18 0.00213 439.29 2.33 41.90 0.00527 0.99473
T05 17 0.00201 457.36 25.98 441.71 0.05376 0.94624
T06 29 0.00343 266.34 6.33 183.64 0.02322 0.97678
2017
T01 24 0.00274 348.69 1.78 42.66 0.00507 0.99493
T02 17 0.00194 486.26 0.43 7.28 0.00088 0.99912
T03 9 0.00103 875.63 0.41 3.73 0.00047 0.99953
T04 21 0.00240 397.92 0.28 5.85 0.00070 0.99930
T05 14 0.00160 583.60 0.43 6.07 0.00074 0.99926
T06 37 0.00422 221.54 3.24 119.79 0.01440 0.98560
2018
T01 12 0.00137 673.55 0.32 3.84 0.00047 0.99953
T02 19 0.00217 437.37 0.66 12.56 0.00151 0.99849
T03 24 0.00274 349.98 0.44 10.45 0.00124 0.99876
T04 11 0.00126 729.18 0.90 9.87 0.00123 0.99877
T05 11 0.00126 726.26 4.08 44.86 0.00558 0.99442
T06 19 0.00217 416.82 0.35 6.71 0.00085 0.99915
2019
T01 15 0.00171 546.96 0.58 8.63 0.00105 0.99895
T02 17 0.00194 485.38 1.36 23.18 0.00280 0.99720
T03 10 0.00114 794.45 2.11 21.06 0.00264 0.99736
T04 17 0.00194 486.21 0.48 8.20 0.00099 0.99901
T05 8 0.00091 972.48 0.96 7.66 0.00098 0.99902
T06 9 0.00103 791.37 6.11 54.96 0.00766 0.99234
2020
T01 21 0.00239 397.40 1.97 41.31 0.00493 0.99507
T02 25 0.00285 337.12 0.76 18.92 0.00224 0.99776
T03 14 0.00159 580.58 5.37 75.25 0.00917 0.99083
T04 30 0.00342 281.19 2.23 66.99 0.00788 0.99212
T05 16 0.00182 515.19 1.61 25.69 0.00311 0.99689
T06 24 0.00273 337.27 0.62 14.88 0.00184 0.99816
2021
T01 24 0.00274 345.82 4.77 114.53 0.01361 0.98639
T02 14 0.00160 583.82 0.19 2.71 0.00033 0.99967
T03 12 0.00137 673.70 0.16 1.95 0.00024 0.99976
T04 10 0.00114 796.26 0.12 1.15 0.00014 0.99986
T05 27 0.00308 302.35 10.89 294.06 0.03477 0.96523
T06 13 0.00148 576.61 8.53 110.83 0.01457 0.98543
2022
T01 85 0.00970 101.61 0.26 21.94 0.00253 0.99747
T02 33 0.00377 255.89 1.81 59.77 0.00703 0.99297
T03 7 0.00080 1,094.54 0.53 3.71 0.00048 0.99952
T04 9 0.00103 869.82 6.86 61.75 0.00783 0.99217
T05 34 0.00388 250.05 0.25 8.37 0.00098 0.99902
T06 18 0.00205 438.48 23.83 428.91 0.05154 0.94846
Note: Forced Outages (IEC) only.